Product attributes: Material: ceramic fiber paper Color: white. Product size: 15.5 x 15.5 x 0.3 cm / 6.1 x 6.1 x 0.1 inches Weight of each item: 6 g. Package size: 28.5 x 19 x 3.5 cm / 11.2 x 7.5 x 1.4 inches Package weight: 165 g. Tips: 1. Carefully check before buying if the size fits your tube. 2. Make sure to clean the stove pipe regularly to minimize the risk of soot fires. 3. It is normal to have some particles on the surface, wash your hands after installation. 4. Due to lighting and display differences, there may be color differences, which is normal. 5. Due to manual measurement, there may be a 1-2 mm error. The package includes: 8 oven pipe gaskets